Abstract:Statement of Problem: The accuracy of internal fit for subtractive CAD-CAM systems used in the fabrication of metal coping is still unclear. Purpose: This in vitro study compared the internal fit of casting metal core using conventional wax versus CAD wax. Material and Methods: Twenty four resin specimen dies were randomly divided into two groups according to method of metal coping construction using conventional (C) or CAD (D) wax. The silicon replica technique evaluated the internal fit using stereomicroscop… Show more
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